feat: implement account switcher component and state management
- Add AccountSwitcher component for managing user accounts with UI for switching, adding, and logging out. - Create account state manager to handle snapshots of account-specific states for efficient switching. - Introduce utility functions for account management, including ID generation and avatar color assignment. - Implement Zustand store for account management, supporting addition, removal, and state retrieval of accounts.
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"use client";
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import { useState, useRef, useEffect, useCallback } from "react";
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import { createPortal } from "react-dom";
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import { Check, Plus, LogOut, Star, ChevronDown, AlertCircle } from "lucide-react";
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import { useTranslations } from "next-intl";
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import { useAccountStore, type AccountEntry } from "@/stores/account-store";
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import { useAuthStore } from "@/stores/auth-store";
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import { getInitials, MAX_ACCOUNTS } from "@/lib/account-utils";
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import { cn } from "@/lib/utils";
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import { useRouter } from "@/i18n/navigation";
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interface AccountSwitcherProps {
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/** "rail" = small avatar only (NavigationRail), "expanded" = avatar + name + email (Sidebar) */
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variant?: "rail" | "expanded";
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className?: string;
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}
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function AccountAvatar({ account, size = "sm" }: { account: AccountEntry; size?: "sm" | "md" }) {
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const initials = getInitials(account.displayName || account.label, account.email || account.username);
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const sizeClasses = size === "sm" ? "w-8 h-8 text-xs" : "w-9 h-9 text-sm";
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return (
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<div
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className={cn("rounded-full flex items-center justify-center text-white font-medium flex-shrink-0", sizeClasses)}
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style={{ backgroundColor: account.avatarColor }}
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title={account.label}
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>
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{initials}
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</div>
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);
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}
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export function AccountSwitcher({ variant = "rail", className }: AccountSwitcherProps) {
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const t = useTranslations("sidebar");
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const router = useRouter();
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const [open, setOpen] = useState(false);
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const buttonRef = useRef<HTMLButtonElement>(null);
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const popoverRef = useRef<HTMLDivElement>(null);
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const [popoverStyle, setPopoverStyle] = useState<React.CSSProperties>({});
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const accounts = useAccountStore((s) => s.accounts);
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const activeAccountId = useAccountStore((s) => s.activeAccountId);
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const setDefaultAccount = useAccountStore((s) => s.setDefaultAccount);
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const activeAccount = accounts.find((a) => a.id === activeAccountId);
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const switchAccount = useAuthStore((s) => s.switchAccount);
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const logout = useAuthStore((s) => s.logout);
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const logoutAll = useAuthStore((s) => s.logoutAll);
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const primaryIdentity = useAuthStore((s) => s.primaryIdentity);
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const updatePosition = useCallback(() => {
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if (!buttonRef.current) return;
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const rect = buttonRef.current.getBoundingClientRect();
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if (variant === "rail") {
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setPopoverStyle({
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position: "fixed",
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left: rect.right + 8,
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bottom: Math.max(8, window.innerHeight - rect.bottom),
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});
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} else {
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setPopoverStyle({
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position: "fixed",
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left: rect.left,
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top: rect.bottom + 4,
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});
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}
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}, [variant]);
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useEffect(() => {
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if (!open) return;
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updatePosition();
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const handleClickOutside = (e: MouseEvent) => {
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if (
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buttonRef.current?.contains(e.target as Node) ||
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popoverRef.current?.contains(e.target as Node)
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) return;
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setOpen(false);
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};
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const handleEscape = (e: KeyboardEvent) => {
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if (e.key === "Escape") setOpen(false);
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};
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document.addEventListener("mousedown", handleClickOutside);
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document.addEventListener("keydown", handleEscape);
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return () => {
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document.removeEventListener("mousedown", handleClickOutside);
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document.removeEventListener("keydown", handleEscape);
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};
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}, [open, updatePosition]);
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const handleSwitch = async (accountId: string) => {
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if (accountId === activeAccountId) return;
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setOpen(false);
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await switchAccount(accountId);
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};
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const handleAddAccount = () => {
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setOpen(false);
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router.push(`/login?mode=add-account` as never);
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};
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const handleLogout = () => {
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setOpen(false);
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logout();
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if (useAccountStore.getState().accounts.length === 0) {
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router.push("/login" as never);
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}
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};
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const handleLogoutAll = () => {
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setOpen(false);
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logoutAll();
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router.push("/login" as never);
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};
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const handleSetDefault = (accountId: string) => {
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setDefaultAccount(accountId);
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};
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// Display name for the active account
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const displayName = primaryIdentity?.name || activeAccount?.displayName || activeAccount?.label || "";
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const displayEmail = primaryIdentity?.email || activeAccount?.email || activeAccount?.username || "";
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return (
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<>
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<button
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ref={buttonRef}
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onClick={() => setOpen(!open)}
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className={cn(
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"flex items-center gap-2 rounded-md transition-colors",
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variant === "rail"
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? "justify-center w-10 h-10 hover:bg-muted"
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: "w-full px-2 py-1.5 hover:bg-muted text-left min-w-0",
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className
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)}
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title={variant === "rail" ? (displayName || displayEmail) : undefined}
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aria-expanded={open}
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aria-haspopup="true"
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>
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{activeAccount ? (
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<>
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<AccountAvatar account={activeAccount} size={variant === "rail" ? "sm" : "md"} />
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{variant === "expanded" && (
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<>
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<div className="min-w-0 flex-1">
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<p className="text-sm font-medium text-foreground truncate">{displayName}</p>
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<p className="text-xs text-muted-foreground truncate">{displayEmail}</p>
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</div>
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<ChevronDown className={cn("w-3.5 h-3.5 text-muted-foreground flex-shrink-0 transition-transform", open && "rotate-180")} />
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</>
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)}
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</>
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) : (
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<div className={cn(
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"rounded-full bg-muted flex items-center justify-center text-muted-foreground",
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variant === "rail" ? "w-8 h-8 text-xs" : "w-9 h-9 text-sm"
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)}>
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?
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</div>
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)}
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</button>
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{open && createPortal(
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<div
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ref={popoverRef}
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style={popoverStyle}
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className="w-72 rounded-lg border border-border bg-background text-foreground shadow-lg z-50 overflow-hidden"
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role="menu"
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>
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{/* Account List */}
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<div className="py-1 max-h-64 overflow-y-auto">
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{accounts.map((account) => {
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const isActive = account.id === activeAccountId;
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return (
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<button
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key={account.id}
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onClick={() => handleSwitch(account.id)}
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className={cn(
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"w-full flex items-start gap-3 px-3 py-2.5 text-left transition-colors",
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isActive ? "bg-accent/50" : "hover:bg-muted"
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)}
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role="menuitem"
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disabled={isActive}
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>
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<div className="relative flex-shrink-0">
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<AccountAvatar account={account} size="md" />
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{isActive && (
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<div className="absolute -bottom-0.5 -right-0.5 w-4 h-4 rounded-full bg-primary flex items-center justify-center">
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<Check className="w-2.5 h-2.5 text-primary-foreground" />
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</div>
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)}
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</div>
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<div className="min-w-0 flex-1">
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<div className="flex items-center gap-1">
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<span className="text-sm font-medium truncate">
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{account.displayName || account.label}
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</span>
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{account.isDefault && (
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<Star className="w-3 h-3 text-amber-500 flex-shrink-0 fill-amber-500" />
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)}
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</div>
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<p className="text-xs text-muted-foreground truncate">
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{account.email || account.username}
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</p>
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<div className="flex items-center gap-1 mt-0.5">
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{account.hasError ? (
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<AlertCircle className="w-3 h-3 text-destructive" />
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) : (
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<span className={cn(
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"w-1.5 h-1.5 rounded-full",
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account.isConnected ? "bg-green-500" : "bg-muted-foreground/40"
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)} />
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)}
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<span className="text-[10px] text-muted-foreground truncate">
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{new URL(account.serverUrl).hostname}
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</span>
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</div>
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</div>
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</button>
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);
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})}
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</div>
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{/* Separator + Add Account */}
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{accounts.length < MAX_ACCOUNTS && (
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<div className="border-t border-border">
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<button
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onClick={handleAddAccount}
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className="w-full flex items-center gap-2 px-3 py-2 text-sm text-foreground hover:bg-muted transition-colors"
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role="menuitem"
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>
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<Plus className="w-4 h-4" />
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{t("add_account")}
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</button>
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</div>
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)}
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{/* Separator + Actions */}
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<div className="border-t border-border">
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{activeAccount && !activeAccount.isDefault && accounts.length > 1 && (
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<button
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onClick={() => handleSetDefault(activeAccount.id)}
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className="w-full flex items-center gap-2 px-3 py-2 text-sm text-foreground hover:bg-muted transition-colors"
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role="menuitem"
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>
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<Star className="w-4 h-4" />
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{t("set_as_default")}
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</button>
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)}
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<button
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onClick={handleLogout}
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className="w-full flex items-center gap-2 px-3 py-2 text-sm text-foreground hover:bg-muted transition-colors"
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role="menuitem"
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>
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<LogOut className="w-4 h-4" />
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{t("sign_out_of", { account: displayEmail })}
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</button>
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{accounts.length > 1 && (
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<button
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onClick={handleLogoutAll}
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className="w-full flex items-center gap-2 px-3 py-2 text-sm text-destructive hover:bg-muted transition-colors"
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role="menuitem"
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>
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<LogOut className="w-4 h-4" />
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{t("sign_out_all")}
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</button>
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)}
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</div>
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</div>,
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document.body
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)}
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</>
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);
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}
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